Polymerizable composition, polymer, optical adhesive sheet, image display device, and method for manufacturing image display device

Abstract

Provided are: a polymerizable composition; a polymer obtained by polymerizing the composition (including an optical adhesive sheet); an image display device using the polymer; and a method for manufacturing the image display device. The polymerizable composition includes: (1) at least one chosen from the group consisting of a compound including a (meth)acrylol group with a polyolefin structural unit, a compound including a (meth)acrylol group with a hydrogenated polyolefin structural unit, a compound including a (meth)acrylol group with a (poly)ester structural unit, and a compound including a (meth)acrylol group with a (poly)carbonate structural unit; (2) a liquid compound including a (meth)acrylol group other than constituent (1); (3) at least one chosen from the group consisting of liquid hydrogenated polybutadiene polyol, liquid hydrogenated polyisoprene polyol, and hydrogenated dimer diol; and (4) a photopolymerization initiator.

1 . A polymerizable composition for manufacturing a polymerization product for forming a polymerization product layer interposed between an image-display unit and a light-transmitting protection unit of an image-display device, wherein the polymerizable composition comprises
 Component (1): at least one selected from the group consisting of a (meth)acryloyl group-containing compound having a polyolefin structural unit, a (meth)acryloyl group-containing compound having a hydrogenated polyolefin structural unit, a (meth)acryloyl group-containing compound having a (poly)ester structural unit, and a (meth)acryloyl group-containing compound having a (poly)carbonate structural unit;   Component (2): a liquid (meth)acryloyl group-containing compound other than Component (1);   Component (3): at least one selected from the group consisting of a liquid hydrogenated polybutadiene polyol, a liquid hydrogenated polyisoprene polyol, and a hydrogenated dimer diol; and   Component (4): a photopolymerization initiator.   
     
     
         2 . The polymerizable composition according to  claim 1 , further comprising
 Component (5): at least one selected from the group consisting of hydrogenated polybutadiene, hydrogenated polyisoprene, a poly(α-olefin) liquid substance, an ethylene-propylene copolymer liquid substance, a propylene-α-olefin copolymer liquid substance, an ethylene-α-olefin copolymer liquid substance, liquid polybutene, liquid hydrogenated polybutene, liquid polybutadiene, liquid hydrogenated polybutadiene, liquid polyisoprene, liquid hydrogenated polyisoprene, liquid polybutadiene polyol, and liquid polyisoprene polyol.   
     
     
         3 . The polymerizable composition according to  claim 1 , further comprising
 Component (6): at least one selected from the group consisting of hydrogenated petroleum resins, hydrogenated terpene resins, and a hydrogenated rosin ester.   
     
     
         4 . The polymerizable composition according to  claim 1 , wherein Component (2) comprises a (meth)acryloyl group-containing compound having a hydrocarbon group containing six or more carbon atoms. 
     
     
         5 . The polymerizable composition according to  claim 1 , wherein Component (2) comprises a (meth)acryloyl group-containing compound having an alcoholic hydroxyl group. 
     
     
         6 . A polymerization product obtained by polymerizing the polymerizable composition according to  claim 1 . 
     
     
         7 . A polymerizable composition for manufacturing an optical adhesive sheet used for the polymerization product layer, wherein the polymerizable composition is the polymerizable composition according to  claim 1 . 
     
     
         8 . An optical adhesive sheet having a polymerization product layer having a thickness of 10 to 500 μm, which is obtained by irradiating the polymerizable composition according to  claim 7  with a light to which the photopolymerization initiator is photosensitive to polymerize. 
     
     
         9 . A method of manufacturing an image-display device comprising a base unit having an image-display unit, a light-transmitting protection unit, and a polymerization product layer interposed between the base unit and the protection unit, comprising the steps of
 interposing the polymerizable composition according to  claim 1  between the base unit and the protection unit; and   irradiating the polymerizable composition with a light to which the photopolymerization initiator is photosensitive to form a polymerization product layer.   
     
     
         10 . A method of manufacturing an image-display device, comprising the step of sticking a polymerization product layer between a base unit having an image-display unit and a light-transmitting protection unit by using an optical adhesive sheet, wherein the optical adhesive sheet is the optical adhesive sheet according to  claim 8 . 
     
     
         11 . An image-display device manufactured by the method according to  claim 9 . 
     
     
         12 . The image-display device according to  claim 11 , wherein the image-display unit is a liquid crystal display panel. 
     
     
         13 . The polymerizable composition according to  claim 2 , further comprising
 Component (6): at least one selected from the group consisting of hydrogenated petroleum resins, hydrogenated terpene resins, and a hydrogenated rosin ester.